A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

ESO hosts four different telescopes in Chile: the Very Large Telescope (VLT), the Atacama Large Millimeter/submillimeter Array (ALMA), the Extremely Large Telescope (ELT, which is currently being ...

Texas astronomers are part of the effort to construct the Giant Magellan Telescope – an effort that will bring a new level of ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

This image, taken with ESO’s Very Large Telescope (VLT), shows the supernova remnant SNR 0509-67.5. These are the expanding ...

Scientists have obtained photographic evidence of a double-detonation Type Ia supernova for the first time. This rare cosmic ...

The main data used in studying the planet came from NASA's orbiting Transiting Exoplanet Survey Satellite, or TESS, and the European Southern Observatory's Chile-based Very Large Telescope, or VLT.

In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 launch has obtained valuable data on various already-known planets beyond our ...

The Giant Magellan Telescope, one of the largest telescopes ever built, is entering the final design phase and is expected to be completed by the 2030s.